What is the midpoint of the x -intercepts of f of x is equal to open paren x minus 4 close paren times open paren x plus 4 close paren ?

The x-intercepts occur when f(x) = 0. From (x − 4)(x + 4) = 0, the intercepts are (4, 0) and (−4, 0). Their midpoint is ((4 + (−4))/2, (0 + 0)/2) = (0, 0), so the answer is D, (0, 0).

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